National Geographic : 1922 Aug
Photograph by U.S.Army Air Service THE LINCOLN MEMORIAL DEDICATION EXERCISES, MAY 30,IQ22 "For ten years the structure has been rising. From the solid rock beneath the level of the Potomac, 50feet below theoriginal grade, it reaches a total of 122 feet above that grade. The platform at its base is 204 feet long and 134 feet wide. The proportions oftheMemorial are so fine that its great mass and height and length and breadth are suppressed in its unity."